Home / 88,126.30-121,614.38-47,840.04

Finding the Fourth Proportional to 88,126.30, 121,614.38 and 47,840.04

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Solution

The fourth proportional to 88,126.30, 121,614.38 and 47,840.04 is: 66,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,126.30 : 121,614.38 = 47,840.04 : x
  2. Step 2: Convert to fraction form
    88,126.30/121,614.38 = 47,840.04/x
  3. Step 3: Cross multiply
    88,126.30x = 121,614.38 × 47,840.04
  4. Step 4: Simplify right side
    88,126.30x = 5,818,036,803.78
  5. Step 5: Solve for x
    x = 5,818,036,803.78/88,126.30
  6. Step 6: Final answer
    x = 66,019.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.